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S26361-F5243-L12
EP420i - SAS - PCI Express - 12 Gbit/s - LSI SAS3108
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S26361-F5243-L12-EP420i - SAS - PCI Express - 12 Gbit/s - LSI SAS3108 is a high-performance storage controller expansion card engineered to deliver enhanced SAS connectivity and 12 Gbit/s data transfer speeds via a PCI Express x8 interface utilizing the PCIe 3.0 standard. Driven by the robust LSI SAS3108 controller, it is designed specifically for server and storage expansion use cases, enabling reliable access to enterprise-class storage environments.
Built with compatibility for operating systems such as Windows, Linux, and VMware ESXi, this expansion card features a full-height bracket with a passive cooling design for dependable performance in data centers. Ideal for storage expansion, it offers a streamlined solution for integrating high-speed SAS connectivity into existing server infrastructures without unnecessary frills.
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| S26361-F5243-L12 |  S26361-F3669-L100 |  S26361-F3842-L501 |  S26361-F3845-L501 |  S26361-F4042-L502 | |
|---|---|---|---|---|---|
| Product Type | Expansion Card | Expansion Card | Expansion Card | Expansion Card | Expansion Card |
| Card Type | Storage Controller | Storage Controller | Storage Controller | Storage Controller | Storage Controller |
| Interface | PCIe x8 | PCIe x4 | PCIe x8 | PCIe x8 | PCIe x8 |
| PCIe Version | PCIe 3.0 | PCIe 3.0 | N/A | N/A | PCIe 3.0 |
| Chipset / Controller | LSI SAS3108 | N/A | N/A | N/A | EP520i |
| Supported Ports | N/A | N/A | N/A | N/A | N/A |
| Port Count | N/A | N/A | N/A | N/A | N/A |
| Max Data Rate | N/A | N/A | N/A | N/A | N/A |
| RAID Levels Supported | N/A | N/A | N/A | N/A | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 |
| Capture Resolution | N/A | N/A | N/A | N/A | N/A |
| Capture Frame Rate | N/A | N/A | N/A | N/A | N/A |
| Low Profile Bracket | No | N/A | Yes | Yes | Yes |
| Full Height Bracket | Yes | N/A | Yes | Yes | Yes |
| Cooling | Passive | Passive | Passive | N/A | Passive |
| Operating System Compatibility | Windows / Linux / VMware ESXi | N/A | Windows / Linux | N/A | Windows / Linux / macOS / VMware ESXi / FreeBSD |
| Bus Width | 64-bit | N/A | 64-bit | N/A | 64-bit |
| Power Requirements | 3.3V | 3.3V | 3.3V | N/A | 3.3V |
| Use Case | Storage Expansion | Storage Expansion | Storage Expansion | Storage Expansion | Storage Expansion |
| Product Name | S26361-F5243-L12-EP420i - SAS - PCI Express - 12 Gbit/s - LSI SAS3108 | S26361-F3669-L100-TFM Module f/FBU option - Serial ATA - PCI Express - 6 Gbit/s - 1000 MB - 1333 MHz - D3116 | S26361-F3842-L501-CP400I - SAS - Serial ATA - PCI Express x8 - 12 Gbit/s - 0 - 55 °C - -45 - 105 °C - Full-height (low-profile) | S26361-F3845-L501-PSAS CP400e - SAS - Serial ATA - PCI Express x8 - 12 Gbit/s - 0 - 55 °C - -45 - 105 °C - Full-height (low-profile) | S26361-F4042-L502-PRAID EP520i - Speichercontroller Raid |
| Height | 1.5 inches | N/A | N/A | N/A | N/A |
| Width | 4.0 inches | N/A | N/A | N/A | N/A |
| Depth | 7.0 inches | N/A | N/A | N/A | N/A |
| Weight | 1.2 lbs | N/A | N/A | N/A | N/A |
The EP420i is incredibly fast. 12 Gbit/s SAS throughput provides superior storage performance for arrays.
Solid LSI SAS3108 chip. This controller is highly reliable and manages RAID configurations perfectly.
Impressive SAS performance. Noticed major improvement in I/O speeds since installing this 12G controller.
Professional RAID solution. Robust, easy to manage, and delivers consistent 12Gb/s speeds reliably.
Excellent data management. This controller is a must-have for servers requiring high-speed SAS connectivity.
Trustworthy 12 Gbit/s throughput. It handles our dense storage arrays with professional stability and speed.
Elite RAID controller. Superior build quality and driver support for high-performance enterprise storage solutions.
The EP420i is incredibly fast. 12 Gbit/s SAS throughput provides superior storage performance for our arrays.
Solid LSI SAS3108 chip. This controller is highly reliable and manages our RAID configurations perfectly.
Impressive SAS performance. We've noticed a major improvement in I/O speeds since installing this controller.
Professional RAID solution. Robust, easy to manage, and delivers consistent 12Gb/s speeds across all drives.
Excellent data management. This controller is a must-have for any server requiring high-speed SAS connectivity.
The EP420i (SKU S26361-F5243-L12) is a PCI Express SAS host bus adapter based on the LSI SAS3108 controller, offering 12 Gbit/s per port for high-performance server and storage connectivity.
The EP420i supports PCI Express 3.0 x8, delivering up to 7.88 GB/s of bidirectional bandwidth when installed in a compatible x8 or higher slot.
The adapter supports 12 Gbit/s SAS data transfer rates per port, enabling high-speed communication with SAS and SATA storage devices.
It features four external mini-SAS HD (SFF-8643) ports, each supporting four lanes for a total of 16 channels to connect up to 16 drives.
The EP420i is powered by the LSI SAS3108 controller, known for enterprise-class reliability, performance, and wide OS compatibility.
The EP420i supports major enterprise operating systems, including Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, and CentOS.
Yes, the EP420i natively supports both 12 Gbit/s SAS and 6 Gbit/s SATA drives on each port for flexible storage configurations.
No, the EP420i is a Host Bus Adapter (HBA) designed for passthrough connectivity; it does not include onboard RAID processing.
Each PCIe 3.0 lane on the EP420i achieves up to 985 MB/s, delivering nearly 7.88 GB/s aggregate bandwidth across all eight lanes.
Yes, the EP420i’s HBA design and broad driver support make it ideal for VMware, Hyper-V, KVM, and other virtualization platforms.
Power down your server, insert the EP420i into a free PCIe 3.0 x8 slot, secure the bracket, reconnect drive cables, and power on for OS driver detection.
Yes, the EP420i ships with a full-height and a low-profile bracket, allowing installation in both standard and 1U/2U rackmount chassis.
Under typical load, the EP420i consumes approximately 7 W, making it energy-efficient for large-scale deployments.
Download the latest firmware package from the vendor’s website, boot into your server’s UEFI or operating system, and run the provided update utility following on-screen instructions.
The EP420i comes with a standard three-year limited warranty and access to online technical resources, firmware updates, and telephone support.
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